3a thread class right-hand 1.990" thread length hexagon head style 7 thread quantity per inch unthreaded portion of shank 1.240 in. min 1.250 in. max unc thread series
2a thread class right-hand 0.938" thread length hexagon head style 0.562" grip length 20 thread quantity per inch 60 deg incl angle on end of thd by 0.375 in. lg cadmium surface treated unf thread series
3a thread class right-hand 2.000" thread length hexagon head style 14 thread quantity per inch thread end chamfered 0.071 in. by 35.0 deg and, washer face under the head 1.312 in. by 0.016 in. unf thread series
2a thread class right-hand 0.625" thread length square extended washer head style 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.875" thread length headless (setscrew) head style 20 thread quantity per inch 1 slot 0.088 in. min. 0.098 in. max. w by 0.312 in. lg. on slotted end of shank, 90 deg from drive slot unc thread series
